Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 561210
Title Eutrophication threatens Caribbean seagrasses - An example from Curaçao and Bonaire
Author(s) Govers, Laura L.; Lamers, Leon P.M.; Bouma, Tjeerd J.; Brouwer, Jan H.F. de; Katwijk, Marieke M. van
Source Marine Pollution Bulletin 89 (2014)1-2. - ISSN 0025-326X - p. 481 - 486.
DOI https://doi.org/10.1016/j.marpolbul.2014.09.003
Department(s) Animal Ecology
Publication type Refereed Article in a scientific journal
Publication year 2014
Keyword(s) Bioindicator - Nutrient - Point source - Residential eutrophication - Sewage discharge - Thalassia testudinum
Abstract

Seagrass beds are globally declining due to human activities in coastal areas. We here aimed to identify threats from eutrophication to the valuable seagrass beds of Curaçao and Bonaire in the Caribbean, which function as nursery habitats for commercial fish species. We documented surface- and porewater nutrient concentrations, and seagrass nutrient concentrations in 6 bays varying in nutrient loads. Water measurements only provided a momentary snapshot, due to timing, tidal stage, etc., but Thalassia testudinum nutrient concentrations indicated long-term nutrient loads. Nutrient levels in most bays did not raise any concern, but high leaf % P values of Thalassia in Piscadera Bay (~0.31%) and Spanish Water Bay (~0.21%) showed that seagrasses may be threatened by eutrophication, due to emergency overflow of waste water and coastal housing. We thus showed that seagrasses may be threatened and measures should be taken to prevent loss of these important nursery areas due to eutrophication.

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